What would be the patient’s response to a normal drug dose that because of a genetic variation in an enzyme that prepares the drug for elimination results in a blood drug level that is below the minimum effective concentration (MEC)?

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction.